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Discovers over 2,400 Cepheid variable stars and created her period-luminosity theory (jan 1, 1902 – apr 28, 1904)
Added to timeline:
Henrietta Leavitt
By
Shawn Cunning
2 Oct 2018
0
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498
Date:
jan 1, 1902
apr 28, 1904
~ 2 years and 3 months
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